component

1SMB5931B-13

Public Made by Adom

by adom

Diodes Incorporated Zener Diodes, SMB(DO-214AA). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentdiodes1smb5931b-13factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 1d ago
viewers 1smb5931b-13: viewers · Ray 1d ago
1smb5931b-13-etched.glb Publish 0.1.0 · Ray 1d ago
1smb5931b-13-etched.step 1smb5931b-13: factory component page (tier=mfr) · Ray 1d ago
1smb5931b-13-hero.glb 1smb5931b-13: hero GLB from the etched model (keeps the MPN mark) · Ray 1d ago
1smb5931b-13-hero.overlay.json Publish 0.1.0 · Ray 1d ago
1smb5931b-13.glb Publish 0.1.0 · Ray 1d ago
1smb5931b-13.kicad_mod Publish 0.1.0 · Ray 1d ago
1smb5931b-13.kicad_sym Publish 0.1.0 · Ray 1d ago
1smb5931b-13.lbr Publish 0.1.0 · Ray 1d ago
1smb5931b-13.step Publish 0.1.0 · Ray 1d ago
package.json Publish 0.1.0 · Ray 1d ago
page.json Set visibility: public · Ray 1d ago
README.md Publish 0.1.0 · Ray 1d ago

1SMB5931B-13

Diodes Incorporated · Zener Diodes · SMB(DO-214AA)

1SMB5931B-13 from Diodes Incorporated, in a SMB(DO-214AA). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SMB(DO-214AA)
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Zener voltage (minimum) VZ 17.1 V @ IZT = 20.8 mA, pulse test (Note 6) 3
Zener voltage (maximum) VZ 18.9 V @ IZT = 20.8 mA, pulse test (Note 6) 3
Zener voltage (nominal) VZ 18 V @ IZT = 20.8 mA, pulse test (Note 6) 3
Maximum zener impedance ZZT 12 Ω @ IZT = 20.8 mA 3
Maximum zener impedance at knee ZZK 650 Ω @ IZK = 0.25 mA 3
Maximum reverse current IR 1 µA @ VR = 13.7 V 3
Maximum zener current IZM 83 mA 3
Forward voltage VF 1.5 V @ IF = 200mA 2
Power dissipation at TL = +75°C PD 3 W @ TL = +75°C 2
Power derating above +75°C PD 40 mW/°C Above +75°C (Note 5) 2
Thermal resistance junction to terminal RϴJT 25 °C/W Note 5 2
Power dissipation at TA = +25°C PD 550 mW @ TA = +25°C (Note 5) 2
Power derating above +25°C PD 4.4 mW/°C Above +25°C (Note 5) 2
Thermal resistance junction to ambient RϴJA 226 °C/W Note 5 2
Operating and storage temperature range TJ, TSTG -65 150 °C 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper Alloy tin • Copper Alloy Leadframe with Lead-Free Plating (Matte Tin 1

CAD (KiCad official)

  • Symbol: 1SMB5931B-13
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: 1smb5931b-13-etched.step / 1smb5931b-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1smb5931b-13.step / 1smb5931b-13.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 c06473e556bd519c, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF